METHOD OF THERMAL TREATMENT OF HEAVY DRILLING PIPES,申请号SU19792848431-传众专利搜索

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发明名称	METHOD OF THERMAL TREATMENT OF HEAVY DRILLING PIPES
摘要
申请公布号	SU850688(A1)	申请公布日期	1981.07.30
申请号	SU19792848431	申请日期	1979.12.07
申请人	BUKANIN VLADIMIR A,SU;TEREKHOV EVGENIJ P,SU;DEDYULYA IVAN ,SU	发明人	BUKANIN VLADIMIR A,SU;TEREKHOV EVGENIJ P,SU;DEDYULYA IVAN I,SU
分类号	C21D1/42;C21D9/08;(IPC1-7):21D1/42;21D9/08	主分类号	C21D1/42
代理机构		代理人
主权项
地址

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